General description Designed for compact light-duty trolley jacks with small lift saddles, the Draper Trolley Jack Rubber Pad - Small (41733) features a chamfered base design that helps prevent damage to the sill and underside of a vehicle during use. Made from durable and robust rubber, this pad includes a slotted rubber feature that allows it to be used on car sills while preventing them from collapsing under pressure. Technical specifications Compatible with trolley jacks with 38-55mm diameter saddles