Features: Premium WP1540 plate compressors bolt set features stainless steel bolts (5100028928) and strong plastic bushings (5100004367) designed to reduce handle wear while ensuring smooth operate for WP1540/WP1550 series models. Engineered with erosion resistant stainless steel bolts (35.6mm length) and waterproof polymer bushings (40mm length), this set maintains structural integrity under heavy loads while preventing rust and component degradation. Ideal for construction professionals and equipment owners needing stable replacement parts for WP1540A, WP1550W, and other compatible plate compressors models requiring handle assembly maintenance. Essential for construction sites, landscaping projects, and road maintenance operations where frequent plate compressors usage demands strong handle bushings and secure bolt fastening systems. Restores original equipment functionality by replacing worn components, with precise dimensional compatibility (45.3mm bolt height, 18.4mm bushing height) ensuring proper alignment and extended machine life . Specifications: Component : Metal Bushing size: about 1.83x2.03x4.01cm/0.72x0.8x1.58inch Bolt size: about 1.17x2.49x3.56x4.52cm/0.46x0.98x1.4x1.78inch Package Includes: 1 set Bushing & Bolt note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.